A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
A.3 hrs 15 min
B.3 hrs 45 min
C.4 hrs
D.4 hrs 15 min
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Nucleophilic acyl substitution describe aclass of substitution reactions involvingnucleophiles and acyl compounds. In this type of reaction, a nucleophile – such as analcohol, amine, or enolate – displaces theleaving group of an acyl derivative – such asan acid halide, anhydride, or ester.
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